<template>
  <div>
    御剑乘风来,除魔天地间!===={{ app }}
    <Son></Son>
    <button @click="change">改变</button>
  </div>
</template>
<script>
import Son from './Son.vue';
export default {
  name: '',
  components: {
    Son
  },
  inject: ['app', 'gai'],
  data () {
    return {

    }
  },
  created () {
    
   

  },
  computed: {
  },
  methods: {
change(){
  this.gai('我是被Father修改后的值')
  console.log(this.app);
}
  }
}
</script>
<style lang='less'  scoped>
</style>
